.mask{
	width: 100%;
	height: 100%;
	
	position: fixed;
	left: 0;
	top: 0;
	text-align: center;
	display: -webkit-flex;
    display: flex;
    /*-webkit-align-items: center;*/
  	/*align-items: center;*/
    /*-webkit-justify-content: center;
  	justify-content: center;*/
}
.mask>div{
	
	font-size: 12px;
	padding: 5px 15px;
   
	max-width: 150px;
	color: #494A5F;
	background: url(loading.gif) no-repeat 5px 5px;
	padding-left: 25px;
	
	margin: 0 auto; margin-top:10px;
}

.scroll-off{
	position:fixed;
	overflow-y:hidden
}
